Tradeable
可交换的
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something，意思是迅速地沿着一条直线向某人或某物走去。